Apparatus for casting



' (NoMdeL) H. B. 00X.

APPARATUS FOR CASTING.

No. 531,362. PatentedDed .25,1894.

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ilNrran STATES PATENT OFFICE.

HARRY BARRINGER COX, OF HARTFORD, CONNECTICUT.

APPARATUS FOR CASTING.

SPECIFICATION forming part of Letters Patent No. 531,362, dated December25, 1894.

Application filed January 31,1894- Serial No. 498,659. (No model.)

To all whom it may concern.-

Be it known that I, HARRY BARRINGER COX, of Hartford, in the county ofHartford and State of Connecticut, have invented certain new and usefulImprovements in Gasting Apparatus; and I do hereby declare that thefollowing is a full, clear, and exact descrlption of the invention,which will enable others skilled in the art to which it apperta ns tomake and use the same, reference bein g had to the accompanyingdrawings, and to the letters of reference marked thereon,- whlch formpart of this specification.

This invention relates to certain improvements in molding apparatus forcasting thermoelectric generators.

The object of the invention is to provide the casting or moldingapparatus exceedingly strong, simple and durable in construction andcomposed of a minimum number of parts and so arranged that after thecast has been made the molds can be easily and qulckly separated toremove the cast articles therefrom.

The invention consists in certain novel features of construction and incombination of parts morefully and particularly pointed out anddescribed hereinafter.

Referri'ngto the accompanying drawings Figure 1, is a plan view with thetrough removed. Fig. 2, is a perspective view with a portion of thetrough broken away showing the thin metal strips inserted in the molds.

In the drawings the reference letter a, indicates a fiat metal baseplate having central screw threaded apertures in the ends thereof.

It is well understood that thermo-electric' generators consist ofaseries of blocks of one metal formingone element in each thermo coupleand a series of thin strips of difierent metal forming the oppositeelement of the thermo couple anduniting opposite ends of the adjacentblocks. A series of molds are provided with narrow grooves running fromone end of one mold to the opposite end of the adjacent mold to receivethe thin metal strips so that their ends will project intothe molds. Themolds proper are formed by two separate plates 0, d, restinglongitudinally on the base a. The inner adjoining edges of these platesare provided with oppositely projecting intermeshing projections e, f,

f, of the plates d, are arrangeda suitable distance apart and that oneedge of each projectionf, is inclined preferably fromits base to itsouter end. The series of projections e, of the plate 0, are arrangedopposite the spaces betweenthe opposite projections f, so as toalternate therewith. Each projection e, has an inclined edge arrangedparallel with the inclined edge of the adjacent projection f, so thatthe width of the space or slot between said inclined edges varies as thetwo plates approach or recede from each other.

3', indicates the feed trough made in two longitudinal sections andhaving the longitudinal depression is, opening into all the moldspreferably at or near one end of each mold. The depression of thistrough usually has the downwardly inclined sides and the trough islongitudinally divided centrally through said depression and the centralopening. 4

In operation the bolts 12, extending into the base blocks are loosenedand the mold sections are placed thereonwith the metal strips Z, of thegenerator clamped between them. The trough is then placed over the moldsand the sections thereof together, and the bolts b, are tightened sothat the washers b, thereof tightly clamp the sections of the troughtogether and the sections of the mold together and in place. Themoltenliquid to form the blocks of the generator is then poured into thetrough and thereby simultaneously casts all the block elements andunites the same by the strips. The bolts 1), are then loosened and thetrough divided and the sections thereof removed laterally. The twosections of the molds are then separated laterally and you havethecomplete generator therein.

This device is operated quickly and easily and is exceedingly simple anddurable.

Having thus fully described my invention,

what I claim as new, and desire to secure by jacent edges formed toleave the slots con- Letters Patent of the United States, is necting themold cavities, substantially as The casting apparatus for themanufaedescribed. ture of thermoelectric piles which comprises Intestimony that I claim the foregoing as I 5 5 a base, the two parallelplates arranged on my ownIaflix my signaturein presence of two saidbase, one at least, of said plates being witnesses. movable, said plateshaving the inwardly ex- T a t Y tending projections from their inneredges HARRX LARRINGER COL arranged to alternate and extend between\Vitnesses:

to each other to form the mold cavities, each 0. E. DUFFY,

pair of opposite projections having their ad- 0. M. VVERLE.

